<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
    <style>
        div{
            height: 1000px;
        }
        div:target{
            color: yellow;
        }

        /* empty */
        :empty{
            border: 1px solid sliver;
        }
    </style>
    
    <!-- <a href="#test">跳转锚点</a> -->

    <!-- <div></div>
    <div id="test">

        目标
    </div> -->

    <p>123</p>
    <p> 33</p>
</body>
</html>